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Sweden-Number/dlls/jscript/dispex.c

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include "jscript.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
#define FDEX_VERSION_MASK 0xf0000000
#define GOLDEN_RATIO 0x9E3779B9U
typedef enum {
PROP_JSVAL,
PROP_BUILTIN,
PROP_PROTREF,
PROP_DELETED,
PROP_IDX
} prop_type_t;
struct _dispex_prop_t {
WCHAR *name;
unsigned hash;
prop_type_t type;
DWORD flags;
union {
jsval_t val;
const builtin_prop_t *p;
DWORD ref;
unsigned idx;
} u;
int bucket_head;
int bucket_next;
};
static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
{
return prop - This->props;
}
static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
{
if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
return NULL;
return This->props+id;
}
static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
{
if(prop->type == PROP_PROTREF) {
dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
if(!parent) {
prop->type = PROP_DELETED;
return 0;
}
return get_flags(This->prototype, parent);
}
return prop->flags;
}
static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
{
int min = 0, max, i, r;
max = This->builtin_info->props_cnt-1;
while(min <= max) {
i = (min+max)/2;
r = strcmpW(name, This->builtin_info->props[i].name);
if(!r) {
/* Skip prop if it's available only in higher compatibility mode. */
unsigned version = (This->builtin_info->props[i].flags & PROPF_VERSION_MASK)
>> PROPF_VERSION_SHIFT;
if(version && version > This->ctx->version)
return NULL;
/* Skip prop if it's available only in HTML mode and we're not running in HTML mode. */
if((This->builtin_info->props[i].flags & PROPF_HTML) && !This->ctx->html_mode)
return NULL;
return This->builtin_info->props + i;
}
if(r < 0)
max = i-1;
else
min = i+1;
}
return NULL;
}
static inline unsigned string_hash(const WCHAR *name)
{
unsigned h = 0;
for(; *name; name++)
h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ tolowerW(*name);
return h;
}
static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
{
return (hash*GOLDEN_RATIO) & (This->buf_size-1);
}
static inline HRESULT resize_props(jsdisp_t *This)
{
dispex_prop_t *props;
int i, bucket;
if(This->buf_size != This->prop_cnt)
return S_FALSE;
props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
if(!props)
return E_OUTOFMEMORY;
This->buf_size *= 2;
This->props = props;
for(i=0; i<This->buf_size; i++) {
This->props[i].bucket_head = 0;
This->props[i].bucket_next = 0;
}
for(i=1; i<This->prop_cnt; i++) {
props = This->props+i;
bucket = get_props_idx(This, props->hash);
props->bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = i;
}
return S_OK;
}
static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
{
dispex_prop_t *prop;
unsigned bucket;
if(FAILED(resize_props(This)))
return NULL;
prop = &This->props[This->prop_cnt];
prop->name = heap_strdupW(name);
if(!prop->name)
return NULL;
prop->type = type;
prop->flags = flags;
prop->hash = string_hash(name);
bucket = get_props_idx(This, prop->hash);
prop->bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = This->prop_cnt++;
return prop;
}
static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
{
dispex_prop_t *ret;
ret = alloc_prop(This, name, PROP_PROTREF, 0);
if(!ret)
return NULL;
ret->u.ref = ref;
return ret;
}
static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
{
const builtin_prop_t *builtin;
unsigned bucket, pos, prev = 0;
dispex_prop_t *prop;
bucket = get_props_idx(This, hash);
pos = This->props[bucket].bucket_head;
while(pos != 0) {
if(!strcmpW(name, This->props[pos].name)) {
if(prev != 0) {
This->props[prev].bucket_next = This->props[pos].bucket_next;
This->props[pos].bucket_next = This->props[bucket].bucket_head;
This->props[bucket].bucket_head = pos;
}
*ret = &This->props[pos];
return S_OK;
}
prev = pos;
pos = This->props[pos].bucket_next;
}
builtin = find_builtin_prop(This, name);
if(builtin) {
prop = alloc_prop(This, name, PROP_BUILTIN, builtin->flags);
if(!prop)
return E_OUTOFMEMORY;
prop->u.p = builtin;
*ret = prop;
return S_OK;
}
if(This->builtin_info->idx_length) {
const WCHAR *ptr;
unsigned idx = 0;
for(ptr = name; isdigitW(*ptr) && idx < 0x10000; ptr++)
idx = idx*10 + (*ptr-'0');
if(!*ptr && idx < This->builtin_info->idx_length(This)) {
prop = alloc_prop(This, name, PROP_IDX, This->builtin_info->idx_put ? 0 : PROPF_CONST);
if(!prop)
return E_OUTOFMEMORY;
prop->u.idx = idx;
*ret = prop;
return S_OK;
}
}
*ret = NULL;
return S_OK;
}
static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
{
dispex_prop_t *prop, *del=NULL;
HRESULT hres;
hres = find_prop_name(This, hash, name, &prop);
if(FAILED(hres))
return hres;
if(prop && prop->type==PROP_DELETED) {
del = prop;
} else if(prop) {
*ret = prop;
return S_OK;
}
if(This->prototype) {
hres = find_prop_name_prot(This->prototype, hash, name, &prop);
if(FAILED(hres))
return hres;
if(prop) {
if(del) {
del->type = PROP_PROTREF;
del->flags = 0;
del->u.ref = prop - This->prototype->props;
prop = del;
}else {
prop = alloc_protref(This, prop->name, prop - This->prototype->props);
if(!prop)
return E_OUTOFMEMORY;
}
*ret = prop;
return S_OK;
}
}
*ret = del;
return S_OK;
}
static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
{
dispex_prop_t *prop;
HRESULT hres;
if(search_prot)
hres = find_prop_name_prot(This, string_hash(name), name, &prop);
else
hres = find_prop_name(This, string_hash(name), name, &prop);
if(SUCCEEDED(hres) && (!prop || prop->type == PROP_DELETED)) {
TRACE("creating prop %s flags %x\n", debugstr_w(name), create_flags);
if(prop) {
prop->type = PROP_JSVAL;
prop->flags = create_flags;
prop->u.val = jsval_undefined();
}else {
prop = alloc_prop(This, name, PROP_JSVAL, create_flags);
if(!prop)
return E_OUTOFMEMORY;
}
prop->u.val = jsval_undefined();
}
*ret = prop;
return hres;
}
static IDispatch *get_this(DISPPARAMS *dp)
{
DWORD i;
for(i=0; i < dp->cNamedArgs; i++) {
if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
return V_DISPATCH(dp->rgvarg+i);
WARN("This is not VT_DISPATCH\n");
return NULL;
}
}
TRACE("no this passed\n");
return NULL;
}
static HRESULT convert_params(const DISPPARAMS *dp, jsval_t *buf, unsigned *argc, jsval_t **ret)
{
jsval_t *argv;
unsigned cnt;
unsigned i;
HRESULT hres;
cnt = dp->cArgs - dp->cNamedArgs;
if(cnt > 6) {
argv = heap_alloc(cnt * sizeof(*argv));
if(!argv)
return E_OUTOFMEMORY;
}else {
argv = buf;
}
for(i = 0; i < cnt; i++) {
hres = variant_to_jsval(dp->rgvarg+dp->cArgs-i-1, argv+i);
if(FAILED(hres)) {
while(i--)
jsval_release(argv[i]);
if(argv != buf)
heap_free(argv);
return hres;
}
}
*argc = cnt;
*ret = argv;
return S_OK;
}
static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t *prop, WORD flags,
unsigned argc, jsval_t *argv, jsval_t *r, IServiceProvider *caller)
{
HRESULT hres;
switch(prop->type) {
case PROP_BUILTIN: {
if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
WARN("%s is not a constructor\n", debugstr_w(prop->name));
return E_INVALIDARG;
}
if(prop->name || This->builtin_info->class != JSCLASS_FUNCTION) {
vdisp_t vthis;
if(This->builtin_info->class != JSCLASS_FUNCTION && prop->u.p->invoke != JSGlobal_eval)
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
if(jsthis)
set_disp(&vthis, jsthis);
else
set_jsdisp(&vthis, This);
hres = prop->u.p->invoke(This->ctx, &vthis, flags, argc, argv, r);
vdisp_release(&vthis);
}else {
/* Function object calls are special case */
hres = Function_invoke(This, jsthis, flags, argc, argv, r);
}
return hres;
}
case PROP_PROTREF:
return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref,
flags, argc, argv, r, caller);
case PROP_JSVAL: {
if(!is_object_instance(prop->u.val)) {
FIXME("invoke %s\n", debugstr_jsval(prop->u.val));
return E_FAIL;
}
TRACE("call %s %p\n", debugstr_w(prop->name), get_object(prop->u.val));
return disp_call_value(This->ctx, get_object(prop->u.val), jsthis, flags, argc, argv, r);
}
case PROP_IDX:
FIXME("Invoking PROP_IDX not yet supported\n");
return E_NOTIMPL;
case PROP_DELETED:
assert(0);
}
assert(0);
return E_FAIL;
}
static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop, DISPPARAMS *dp,
jsval_t *r, IServiceProvider *caller)
{
HRESULT hres;
switch(prop->type) {
case PROP_BUILTIN:
if(prop->u.p->getter) {
hres = prop->u.p->getter(This->ctx, This, r);
}else {
jsdisp_t *obj;
assert(prop->u.p->invoke != NULL);
hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
prop->u.p->flags, NULL, &obj);
if(FAILED(hres))
break;
prop->type = PROP_JSVAL;
prop->u.val = jsval_obj(obj);
jsdisp_addref(obj);
*r = jsval_obj(obj);
}
break;
case PROP_PROTREF:
hres = prop_get(This->prototype, This->prototype->props+prop->u.ref, dp, r, caller);
break;
case PROP_JSVAL:
hres = jsval_copy(prop->u.val, r);
break;
case PROP_IDX:
hres = This->builtin_info->idx_get(This, prop->u.idx, r);
break;
default:
ERR("type %d\n", prop->type);
return E_FAIL;
}
if(FAILED(hres)) {
TRACE("fail %08x\n", hres);
return hres;
}
TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_jsval(*r));
return hres;
}
static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, jsval_t val, IServiceProvider *caller)
{
HRESULT hres;
if(prop->flags & PROPF_CONST)
return S_OK;
switch(prop->type) {
case PROP_BUILTIN:
if(prop->u.p->setter)
return prop->u.p->setter(This->ctx, This, val);
if(prop->u.p->setter) {
FIXME("getter with no setter\n");
return E_FAIL;
}
/* fall through */
case PROP_PROTREF:
prop->type = PROP_JSVAL;
prop->flags = PROPF_ENUM;
prop->u.val = jsval_undefined();
break;
case PROP_JSVAL:
jsval_release(prop->u.val);
break;
case PROP_IDX:
return This->builtin_info->idx_put(This, prop->u.idx, val);
default:
ERR("type %d\n", prop->type);
return E_FAIL;
}
TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_jsval(val));
hres = jsval_copy(val, &prop->u.val);
if(FAILED(hres))
return hres;
if(This->builtin_info->on_put)
This->builtin_info->on_put(This, prop->name);
return S_OK;
}
HRESULT builtin_set_const(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
{
TRACE("%p %s\n", jsthis, debugstr_jsval(value));
return S_OK;
}
static HRESULT fill_protrefs(jsdisp_t *This)
{
dispex_prop_t *iter, *prop;
HRESULT hres;
if(!This->prototype)
return S_OK;
fill_protrefs(This->prototype);
for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
if(!iter->name)
continue;
hres = find_prop_name(This, iter->hash, iter->name, &prop);
if(FAILED(hres))
return hres;
if(!prop || prop->type==PROP_DELETED) {
if(prop) {
prop->type = PROP_PROTREF;
prop->flags = 0;
prop->u.ref = iter - This->prototype->props;
}else {
prop = alloc_protref(This, iter->name, iter - This->prototype->props);
if(!prop)
return E_OUTOFMEMORY;
}
}
}
return S_OK;
}
static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
{
return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
}
static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else if(IsEqualGUID(&IID_IDispatch, riid)) {
TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else {
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
return E_NOINTERFACE;
}
jsdisp_addref(This);
return S_OK;
}
static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
jsdisp_addref(This);
return This->ref;
}
static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
ULONG ref = --This->ref;
TRACE("(%p) ref=%d\n", This, ref);
if(!ref)
jsdisp_free(This);
return ref;
}
static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%p)\n", This, pctinfo);
*pctinfo = 1;
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
ITypeInfo **ppTInfo)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
LPOLESTR *rgszNames, UINT cNames, LCID lcid,
DISPID *rgDispId)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
UINT i;
HRESULT hres;
TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
lcid, rgDispId);
for(i=0; i < cNames; i++) {
hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
if(FAILED(hres))
return hres;
}
return S_OK;
}
static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
pDispParams, pVarResult, pExcepInfo, NULL);
}
static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
FIXME("Unsupported grfdex %x\n", grfdex);
return E_NOTIMPL;
}
return jsdisp_get_id(This, bstrName, grfdex, pid);
}
static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
HRESULT hres;
TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
if(pvarRes)
V_VT(pvarRes) = VT_EMPTY;
prop = get_prop(This, id);
if(!prop || prop->type == PROP_DELETED) {
TRACE("invalid id\n");
return DISP_E_MEMBERNOTFOUND;
}
clear_ei(This->ctx);
switch(wFlags) {
case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
wFlags = DISPATCH_METHOD;
/* fall through */
case DISPATCH_METHOD:
case DISPATCH_CONSTRUCT: {
jsval_t *argv, buf[6], r;
unsigned argc;
hres = convert_params(pdp, buf, &argc, &argv);
if(FAILED(hres))
return hres;
hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, argc, argv, pvarRes ? &r : NULL, pspCaller);
if(argv != buf)
heap_free(argv);
if(SUCCEEDED(hres) && pvarRes) {
hres = jsval_to_variant(r, pvarRes);
jsval_release(r);
}
break;
}
case DISPATCH_PROPERTYGET: {
jsval_t r;
hres = prop_get(This, prop, pdp, &r, pspCaller);
if(SUCCEEDED(hres)) {
hres = jsval_to_variant(r, pvarRes);
jsval_release(r);
}
break;
}
case DISPATCH_PROPERTYPUT: {
jsval_t val;
DWORD i;
for(i=0; i < pdp->cNamedArgs; i++) {
if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
break;
}
if(i == pdp->cNamedArgs) {
TRACE("no value to set\n");
return DISP_E_PARAMNOTOPTIONAL;
}
hres = variant_to_jsval(pdp->rgvarg+i, &val);
if(FAILED(hres))
return hres;
hres = prop_put(This, prop, val, pspCaller);
jsval_release(val);
break;
}
default:
FIXME("Unimplemented flags %x\n", wFlags);
return E_INVALIDARG;
}
if(pei)
*pei = This->ctx->ei.ei;
return hres;
}
static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
{
if(prop->flags & PROPF_DONTDELETE) {
*ret = FALSE;
return S_OK;
}
*ret = TRUE; /* FIXME: not exactly right */
if(prop->type == PROP_JSVAL) {
jsval_release(prop->u.val);
prop->type = PROP_DELETED;
}
return S_OK;
}
static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
BOOL b;
HRESULT hres;
TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
FIXME("Unsupported grfdex %x\n", grfdex);
hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
if(FAILED(hres))
return hres;
if(!prop) {
TRACE("not found\n");
return S_OK;
}
return delete_prop(prop, &b);
}
static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
BOOL b;
TRACE("(%p)->(%x)\n", This, id);
prop = get_prop(This, id);
if(!prop) {
WARN("invalid id\n");
return DISP_E_MEMBERNOTFOUND;
}
return delete_prop(prop, &b);
}
static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
return E_NOTIMPL;
}
static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *prop;
TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
prop = get_prop(This, id);
if(!prop || !prop->name || prop->type == PROP_DELETED)
return DISP_E_MEMBERNOTFOUND;
*pbstrName = SysAllocString(prop->name);
if(!*pbstrName)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
dispex_prop_t *iter;
HRESULT hres;
TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
if(id == DISPID_STARTENUM) {
hres = fill_protrefs(This);
if(FAILED(hres))
return hres;
}
if(id+1>=0 && id+1<This->prop_cnt) {
iter = &This->props[id+1];
}else {
*pid = DISPID_STARTENUM;
return S_FALSE;
}
while(iter < This->props + This->prop_cnt) {
if(iter->name && (get_flags(This, iter) & PROPF_ENUM) && iter->type!=PROP_DELETED) {
*pid = prop_to_id(This, iter);
return S_OK;
}
iter++;
}
*pid = DISPID_STARTENUM;
return S_FALSE;
}
static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
{
jsdisp_t *This = impl_from_IDispatchEx(iface);
FIXME("(%p)->(%p)\n", This, ppunk);
return E_NOTIMPL;
}
static IDispatchExVtbl DispatchExVtbl = {
DispatchEx_QueryInterface,
DispatchEx_AddRef,
DispatchEx_Release,
DispatchEx_GetTypeInfoCount,
DispatchEx_GetTypeInfo,
DispatchEx_GetIDsOfNames,
DispatchEx_Invoke,
DispatchEx_GetDispID,
DispatchEx_InvokeEx,
DispatchEx_DeleteMemberByName,
DispatchEx_DeleteMemberByDispID,
DispatchEx_GetMemberProperties,
DispatchEx_GetMemberName,
DispatchEx_GetNextDispID,
DispatchEx_GetNameSpaceParent
};
jsdisp_t *as_jsdisp(IDispatch *disp)
{
assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
return impl_from_IDispatchEx((IDispatchEx*)disp);
}
jsdisp_t *to_jsdisp(IDispatch *disp)
{
return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
}
HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
{
TRACE("%p (%p)\n", dispex, prototype);
dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
dispex->ref = 1;
dispex->builtin_info = builtin_info;
dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
if(!dispex->props)
return E_OUTOFMEMORY;
dispex->prototype = prototype;
if(prototype)
jsdisp_addref(prototype);
dispex->prop_cnt = 1;
if(builtin_info->value_prop.invoke || builtin_info->value_prop.getter) {
dispex->props[0].type = PROP_BUILTIN;
dispex->props[0].u.p = &builtin_info->value_prop;
}else {
dispex->props[0].type = PROP_DELETED;
}
script_addref(ctx);
dispex->ctx = ctx;
return S_OK;
}
static const builtin_info_t dispex_info = {
JSCLASS_NONE,
{NULL, NULL, 0},
0, NULL,
NULL,
NULL
};
HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
{
jsdisp_t *ret;
HRESULT hres;
ret = heap_alloc_zero(sizeof(jsdisp_t));
if(!ret)
return E_OUTOFMEMORY;
hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
if(FAILED(hres)) {
heap_free(ret);
return hres;
}
*dispex = ret;
return S_OK;
}
void jsdisp_free(jsdisp_t *obj)
{
dispex_prop_t *prop;
TRACE("(%p)\n", obj);
for(prop = obj->props; prop < obj->props+obj->prop_cnt; prop++) {
if(prop->type == PROP_JSVAL)
jsval_release(prop->u.val);
heap_free(prop->name);
}
heap_free(obj->props);
script_release(obj->ctx);
if(obj->prototype)
jsdisp_release(obj->prototype);
if(obj->builtin_info->destructor)
obj->builtin_info->destructor(obj);
else
heap_free(obj);
}
#ifdef TRACE_REFCNT
jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
{
ULONG ref = ++jsdisp->ref;
TRACE("(%p) ref=%d\n", jsdisp, ref);
return jsdisp;
}
void jsdisp_release(jsdisp_t *jsdisp)
{
ULONG ref = --jsdisp->ref;
TRACE("(%p) ref=%d\n", jsdisp, ref);
if(!ref)
jsdisp_free(jsdisp);
}
#endif
HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
{
jsdisp_t *prot = NULL;
dispex_prop_t *prop;
HRESULT hres;
static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
jsval_t val;
hres = prop_get(constr, prop, NULL, &val, NULL);
if(FAILED(hres)) {
ERR("Could not get prototype\n");
return hres;
}
if(is_object_instance(val))
prot = iface_to_jsdisp(get_object(val));
jsval_release(val);
}
hres = init_dispex(dispex, ctx, builtin_info, prot);
if(prot)
jsdisp_release(prot);
return hres;
}
jsdisp_t *iface_to_jsdisp(IDispatch *iface)
{
return iface->lpVtbl == (const IDispatchVtbl*)&DispatchExVtbl
? jsdisp_addref( impl_from_IDispatchEx((IDispatchEx*)iface))
: NULL;
}
HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
{
dispex_prop_t *prop;
HRESULT hres;
if(flags & fdexNameEnsure)
hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
else
hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
if(prop && prop->type!=PROP_DELETED) {
*id = prop_to_id(jsdisp, prop);
return S_OK;
}
TRACE("not found %s\n", debugstr_w(name));
return DISP_E_UNKNOWNNAME;
}
HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
HRESULT hres;
assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
if(is_class(jsfunc, JSCLASS_FUNCTION)) {
hres = Function_invoke(jsfunc, jsthis, flags, argc, argv, r);
}else {
vdisp_t vdisp;
if(!jsfunc->builtin_info->value_prop.invoke) {
WARN("Not a function\n");
return throw_type_error(jsfunc->ctx, JS_E_FUNCTION_EXPECTED, NULL);
}
set_disp(&vdisp, jsthis);
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, argc, argv, r);
vdisp_release(&vdisp);
}
return hres;
}
HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
dispex_prop_t *prop;
prop = get_prop(disp, id);
if(!prop)
return DISP_E_MEMBERNOTFOUND;
return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
}
HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
}
HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *ret)
{
IDispatchEx *dispex;
jsdisp_t *jsdisp;
VARIANT buf[6], retv;
DISPPARAMS dp;
unsigned i;
HRESULT hres;
jsdisp = iface_to_jsdisp(disp);
if(jsdisp) {
if(flags & DISPATCH_PROPERTYPUT) {
FIXME("disp_call(propput) on builtin object\n");
return E_FAIL;
}
if(ctx != jsdisp->ctx)
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
hres = jsdisp_call(jsdisp, id, flags, argc, argv, ret);
jsdisp_release(jsdisp);
return hres;
}
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
if(ret && argc)
flags |= DISPATCH_PROPERTYGET;
dp.cArgs = argc;
if(flags & DISPATCH_PROPERTYPUT) {
static DISPID propput_dispid = DISPID_PROPERTYPUT;
dp.cNamedArgs = 1;
dp.rgdispidNamedArgs = &propput_dispid;
}else {
dp.cNamedArgs = 0;
dp.rgdispidNamedArgs = NULL;
}
if(argc > 6) {
dp.rgvarg = heap_alloc(argc*sizeof(VARIANT));
if(!dp.rgvarg)
return E_OUTOFMEMORY;
}else {
dp.rgvarg = buf;
}
for(i=0; i<argc; i++) {
hres = jsval_to_variant(argv[i], dp.rgvarg+argc-i-1);
if(FAILED(hres)) {
while(i--)
VariantClear(dp.rgvarg+argc-i-1);
if(dp.rgvarg != buf)
heap_free(dp.rgvarg);
return hres;
}
}
V_VT(&retv) = VT_EMPTY;
clear_ei(ctx);
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei,
&ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
UINT err = 0;
if(flags == DISPATCH_CONSTRUCT) {
WARN("IDispatch cannot be constructor\n");
return DISP_E_MEMBERNOTFOUND;
}
TRACE("using IDispatch\n");
hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei, &err);
}
for(i=0; i<argc; i++)
VariantClear(dp.rgvarg+argc-i-1);
if(dp.rgvarg != buf)
heap_free(dp.rgvarg);
if(FAILED(hres))
return hres;
if(ret) {
hres = variant_to_jsval(&retv, ret);
VariantClear(&retv);
}
return hres;
}
HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsdisp_t *jsdisp;
IDispatchEx *dispex;
VARIANT buf[6], retv;
DISPPARAMS dp;
unsigned i;
HRESULT hres;
assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
jsdisp = iface_to_jsdisp(disp);
if(jsdisp) {
if(ctx != jsdisp->ctx)
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
hres = jsdisp_call_value(jsdisp, jsthis, flags, argc, argv, r);
jsdisp_release(jsdisp);
return hres;
}
flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
if(r && argc && flags == DISPATCH_METHOD)
flags |= DISPATCH_PROPERTYGET;
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(FAILED(hres)) {
TRACE("using IDispatch\n");
dispex = NULL;
jsthis = NULL;
}
if(jsthis) {
static DISPID this_id = DISPID_THIS;
dp.cArgs = argc+1;
dp.cNamedArgs = 1;
dp.rgdispidNamedArgs = &this_id;
}else {
dp.cArgs = argc;
dp.cNamedArgs = 0;
dp.rgdispidNamedArgs = NULL;
}
if(dp.cArgs > sizeof(buf)/sizeof(*buf)) {
dp.rgvarg = heap_alloc(dp.cArgs*sizeof(VARIANT));
if(!dp.rgvarg) {
if(dispex)
IDispatchEx_Release(dispex);
return E_OUTOFMEMORY;
}
}else {
dp.rgvarg = buf;
}
for(i=0; i<argc; i++) {
hres = jsval_to_variant(argv[i], dp.rgvarg+dp.cArgs-i-1);
if(FAILED(hres)) {
while(i--)
VariantClear(dp.rgvarg+dp.cArgs-i-1);
if(dp.rgvarg != buf)
heap_free(dp.rgvarg);
if(dispex)
IDispatchEx_Release(dispex);
return hres;
}
}
if(jsthis) {
V_VT(dp.rgvarg) = VT_DISPATCH;
V_DISPATCH(dp.rgvarg) = jsthis;
}
V_VT(&retv) = VT_EMPTY;
clear_ei(ctx);
if(dispex) {
hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei,
&ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
UINT err = 0;
if(flags == DISPATCH_CONSTRUCT) {
WARN("IDispatch cannot be constructor\n");
return DISP_E_MEMBERNOTFOUND;
}
hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei, &err);
}
for(i=0; i<argc; i++)
VariantClear(dp.rgvarg+dp.cArgs-i-1);
if(dp.rgvarg != buf)
heap_free(dp.rgvarg);
if(FAILED(hres))
return hres;
if(!r)
return S_OK;
hres = variant_to_jsval(&retv, r);
VariantClear(&retv);
return hres;
}
HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
{
dispex_prop_t *prop;
HRESULT hres;
hres = ensure_prop_name(obj, name, FALSE, flags, &prop);
if(FAILED(hres))
return hres;
return prop_put(obj, prop, val, NULL);
}
HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
{
return jsdisp_propput(obj, name, PROPF_ENUM, val);
}
HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, jsval_t val)
{
dispex_prop_t *prop;
HRESULT hres;
hres = ensure_prop_name(obj, name, FALSE, PROPF_CONST, &prop);
if(FAILED(hres))
return hres;
return jsval_copy(val, &prop->u.val);
}
HRESULT jsdisp_propput_dontenum(jsdisp_t *obj, const WCHAR *name, jsval_t val)
{
return jsdisp_propput(obj, name, 0, val);
}
HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
{
WCHAR buf[12];
static const WCHAR formatW[] = {'%','d',0};
sprintfW(buf, formatW, idx);
return jsdisp_propput_name(obj, buf, val);
}
HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t val)
{
jsdisp_t *jsdisp;
HRESULT hres;
jsdisp = iface_to_jsdisp(disp);
if(jsdisp) {
dispex_prop_t *prop;
prop = get_prop(jsdisp, id);
if(prop)
hres = prop_put(jsdisp, prop, val, NULL);
else
hres = DISP_E_MEMBERNOTFOUND;
jsdisp_release(jsdisp);
}else {
DISPID dispid = DISPID_PROPERTYPUT;
DWORD flags = DISPATCH_PROPERTYPUT;
VARIANT var;
DISPPARAMS dp = {&var, &dispid, 1, 1};
IDispatchEx *dispex;
hres = jsval_to_variant(val, &var);
if(FAILED(hres))
return hres;
if(V_VT(&var) == VT_DISPATCH)
flags |= DISPATCH_PROPERTYPUTREF;
clear_ei(ctx);
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei,
&ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
ULONG err = 0;
TRACE("using IDispatch\n");
hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei, &err);
}
VariantClear(&var);
}
return hres;
}
HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, jsval_t *val)
{
DISPPARAMS dp = {NULL, NULL, 0, 0};
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
if(!prop || prop->type==PROP_DELETED) {
*val = jsval_undefined();
return S_OK;
}
return prop_get(obj, prop, &dp, val, NULL);
}
HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, jsval_t *r)
{
WCHAR name[12];
DISPPARAMS dp = {NULL, NULL, 0, 0};
dispex_prop_t *prop;
HRESULT hres;
static const WCHAR formatW[] = {'%','d',0};
sprintfW(name, formatW, idx);
hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
if(!prop || prop->type==PROP_DELETED) {
*r = jsval_undefined();
return DISP_E_UNKNOWNNAME;
}
return prop_get(obj, prop, &dp, r, NULL);
}
HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, jsval_t *val)
{
DISPPARAMS dp = {NULL,NULL,0,0};
dispex_prop_t *prop;
prop = get_prop(jsdisp, id);
if(!prop)
return DISP_E_MEMBERNOTFOUND;
return prop_get(jsdisp, prop, &dp, val, NULL);
}
HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t *val)
{
DISPPARAMS dp = {NULL,NULL,0,0};
IDispatchEx *dispex;
jsdisp_t *jsdisp;
VARIANT var;
HRESULT hres;
jsdisp = iface_to_jsdisp(disp);
if(jsdisp) {
hres = jsdisp_propget(jsdisp, id, val);
jsdisp_release(jsdisp);
return hres;
}
V_VT(&var) = VT_EMPTY;
clear_ei(ctx);
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei,
&ctx->jscaller->IServiceProvider_iface);
IDispatchEx_Release(dispex);
}else {
ULONG err = 0;
TRACE("using IDispatch\n");
hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei, &err);
}
if(FAILED(hres))
return hres;
hres = variant_to_jsval(&var, val);
VariantClear(&var);
return hres;
}
HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
{
static const WCHAR formatW[] = {'%','d',0};
WCHAR buf[12];
dispex_prop_t *prop;
BOOL b;
HRESULT hres;
sprintfW(buf, formatW, idx);
hres = find_prop_name(obj, string_hash(buf), buf, &prop);
if(FAILED(hres) || !prop)
return hres;
return delete_prop(prop, &b);
}
HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
{
IDispatchEx *dispex;
jsdisp_t *jsdisp;
HRESULT hres;
jsdisp = iface_to_jsdisp(disp);
if(jsdisp) {
dispex_prop_t *prop;
prop = get_prop(jsdisp, id);
if(prop)
hres = delete_prop(prop, ret);
else
hres = DISP_E_MEMBERNOTFOUND;
jsdisp_release(jsdisp);
return hres;
}
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(FAILED(hres)) {
*ret = FALSE;
return S_OK;
}
hres = IDispatchEx_DeleteMemberByDispID(dispex, id);
IDispatchEx_Release(dispex);
if(FAILED(hres))
return hres;
*ret = hres == S_OK;
return S_OK;
}
HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL *ret)
{
IDispatchEx *dispex;
jsdisp_t *jsdisp;
BSTR bstr;
HRESULT hres;
jsdisp = iface_to_jsdisp(disp);
if(jsdisp) {
dispex_prop_t *prop;
const WCHAR *ptr;
ptr = jsstr_flatten(name);
if(!ptr) {
jsdisp_release(jsdisp);
return E_OUTOFMEMORY;
}
hres = find_prop_name(jsdisp, string_hash(ptr), ptr, &prop);
if(prop) {
hres = delete_prop(prop, ret);
}else {
*ret = TRUE;
hres = S_OK;
}
jsdisp_release(jsdisp);
return hres;
}
bstr = SysAllocStringLen(NULL, jsstr_length(name));
if(!bstr)
return E_OUTOFMEMORY;
jsstr_flush(name, bstr);
hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
if(SUCCEEDED(hres)) {
hres = IDispatchEx_DeleteMemberByName(dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive));
if(SUCCEEDED(hres))
*ret = hres == S_OK;
IDispatchEx_Release(dispex);
}else {
DISPID id;
hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, &id);
if(SUCCEEDED(hres)) {
/* Property exists and we can't delete it from pure IDispatch interface, so return false. */
*ret = FALSE;
}else if(hres == DISP_E_UNKNOWNNAME) {
/* Property doesn't exist, so nothing to delete */
*ret = TRUE;
hres = S_OK;
}
}
SysFreeString(bstr);
return hres;
}
HRESULT jsdisp_is_own_prop(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
{
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
*ret = prop && (prop->type == PROP_JSVAL || prop->type == PROP_BUILTIN);
return S_OK;
}
HRESULT jsdisp_is_enumerable(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
{
dispex_prop_t *prop;
HRESULT hres;
hres = find_prop_name(obj, string_hash(name), name, &prop);
if(FAILED(hres))
return hres;
*ret = prop && (prop->flags & PROPF_ENUM) && prop->type != PROP_PROTREF;
return S_OK;
}
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